System for Controlling Display Device on Basis of Identified Capture Range

Abstract

To provide a display control system in which a terminal device and a display device operate in tandem. The display control system comprises a terminal device 10 having an image-capture unit, a display device 50 for displaying video, and a control device 20 for controlling the display device 50. The terminal device 10 or the control device 20 identifies a capture range in video displayed by the display device 50 on the basis of an image captured by the image-capture unit. The control device 50 controls the display state of the video displayed by the display device 50 on the basis of the identified capture range. This configuration allows for interactive special effects such as making an object in the capture range of the terminal device 10 disappear from the video or making objects in the capture range of the terminal device 10 appear in the video.

1 . A display control system comprising a terminal device that includes an imaging unit, a display device that displays an image; and a control device that controls the display device, wherein
 the terminal device or the control device identifies an imaging range in the image displayed by the display device based on a taken image taken by the imaging unit, and   the control device controls the display device based on the identified imaging range.   
     
     
         2 . The display control system according to  claim 1 , wherein
 the control device
 controls the display device to display a predetermined object, 
 determines whether the object is included in the identified imaging range or not, and 
 controls a display state of the object by the display device based on a result of the determination. 
   
     
     
         3 . The display control system according to  claim 2 , wherein
 the control device controls the display device to cause the object to be non-displayed when the object is included in the identified imaging range.   
     
     
         4 . The display control system according to  claim 1 , wherein
 the control device controls the display device to make the predetermined object appear in the identified imaging range.   
     
     
         5 . The display control system according to  claim 1 , wherein
 the terminal device
 stores map information to identify a coordinate in the image, 
 refers to the map information to identify coordinate information of the imaging range, and 
 transmits the coordinate information of the imaging range to the control device. 
   
     
     
         6 . The display control system according to  claim 1 , wherein
 the terminal device further includes a location information identification unit to identify a current location of the terminal device itself, and   the terminal device or the control device identifies the imaging range in the image displayed by the display device based on the taken image taken by the imaging unit and information on the current location identified by the location information identification unit.   
     
     
         7 . A terminal device comprising:
 an imaging unit;   an image analysis unit that identifies an imaging range by the imaging unit in the image based on a taken image taken by the imaging unit; and   a communication unit that transmits information on the identified imaging range to a control device that controls a display state of the image.   
     
     
         8 . A computer program that causes a portable information communication terminal to function as the terminal device according to  claim 7 . 
     
     
         9 . A control device that controls a display device based on a taken image taken by a terminal device that includes an imaging unit, wherein the control device:
 receives the taken image from the terminal device and identifies an imaging range in an image displayed by the display device based on the taken image, or   receives information on the imaging range in the image displayed by the display device identified by the terminal device based on the taken image, and   controls the display device based on the identified imaging range.   
     
     
         10 . A display control method comprising:
 a step of identifying an imaging range in an image by a terminal device or a control device based on a taken image, the image being displayed by a display device, the taken image being taken by an imaging unit of the terminal device; and   a step of controlling the image displayed by the display device by the control device based on the identified imaging range.